Mathematics, 14.11.2020 06:00 Val03

There are 7 students in a class: 2 boys and 5 girls. If the teacher picks a group of 3 at random, what is the probability that everyone in the group is a girl?

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There are 7 students in a class: 2 boys and 5 girls. If the teacher picks a group of 3 at random, wh...

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